java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/loop-lit/css2003_true-unreach-call_true-termination.c.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-08 03:30:48,279 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-08 03:30:48,283 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-08 03:30:48,299 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-08 03:30:48,300 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-08 03:30:48,302 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-08 03:30:48,304 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-08 03:30:48,306 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-08 03:30:48,310 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-08 03:30:48,317 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-08 03:30:48,318 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-08 03:30:48,319 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-08 03:30:48,323 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-08 03:30:48,324 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-08 03:30:48,329 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-08 03:30:48,329 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-08 03:30:48,331 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-08 03:30:48,334 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-08 03:30:48,343 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-08 03:30:48,345 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-08 03:30:48,348 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-08 03:30:48,349 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-08 03:30:48,353 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-08-08 03:30:48,353 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-08-08 03:30:48,353 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-08-08 03:30:48,355 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-08-08 03:30:48,356 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-08-08 03:30:48,357 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-08-08 03:30:48,359 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-08-08 03:30:48,360 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-08-08 03:30:48,360 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-08-08 03:30:48,362 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-08-08 03:30:48,363 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-08-08 03:30:48,363 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-08-08 03:30:48,366 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-08-08 03:30:48,368 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-08-08 03:30:48,368 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf [2018-08-08 03:30:48,391 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-08 03:30:48,391 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-08 03:30:48,392 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-08 03:30:48,393 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-08 03:30:48,393 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-08 03:30:48,393 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-08 03:30:48,393 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-08 03:30:48,393 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-08-08 03:30:48,394 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-08 03:30:48,394 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-08 03:30:48,394 INFO L133 SettingsManager]: * Interval Domain=false [2018-08-08 03:30:48,395 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-08 03:30:48,395 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-08 03:30:48,395 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-08 03:30:48,396 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-08 03:30:48,396 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-08 03:30:48,396 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-08 03:30:48,396 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-08 03:30:48,396 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-08 03:30:48,397 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-08 03:30:48,397 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-08 03:30:48,397 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-08 03:30:48,397 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-08 03:30:48,397 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 03:30:48,398 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-08 03:30:48,398 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-08 03:30:48,398 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-08 03:30:48,398 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-08 03:30:48,399 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-08 03:30:48,399 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-08 03:30:48,399 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-08 03:30:48,399 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-08 03:30:48,399 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-08 03:30:48,460 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-08 03:30:48,477 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-08 03:30:48,484 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-08 03:30:48,486 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-08 03:30:48,487 INFO L276 PluginConnector]: CDTParser initialized [2018-08-08 03:30:48,488 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/css2003_true-unreach-call_true-termination.c.i [2018-08-08 03:30:48,863 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10583fab3/7fc1907664994c079504eff9ee7f7fdb/FLAG979e1fad0 [2018-08-08 03:30:49,039 INFO L276 CDTParser]: Found 1 translation units. [2018-08-08 03:30:49,040 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/css2003_true-unreach-call_true-termination.c.i [2018-08-08 03:30:49,047 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10583fab3/7fc1907664994c079504eff9ee7f7fdb/FLAG979e1fad0 [2018-08-08 03:30:49,064 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10583fab3/7fc1907664994c079504eff9ee7f7fdb [2018-08-08 03:30:49,076 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-08 03:30:49,078 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-08 03:30:49,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-08 03:30:49,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-08 03:30:49,086 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-08 03:30:49,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 03:30:49" (1/1) ... [2018-08-08 03:30:49,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44475eb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:49, skipping insertion in model container [2018-08-08 03:30:49,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 03:30:49" (1/1) ... [2018-08-08 03:30:49,247 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-08 03:30:49,283 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 03:30:49,298 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-08 03:30:49,303 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 03:30:49,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:49 WrapperNode [2018-08-08 03:30:49,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-08 03:30:49,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-08 03:30:49,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-08 03:30:49,318 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-08 03:30:49,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:49" (1/1) ... [2018-08-08 03:30:49,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:49" (1/1) ... [2018-08-08 03:30:49,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-08 03:30:49,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-08 03:30:49,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-08 03:30:49,341 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-08 03:30:49,351 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:49" (1/1) ... [2018-08-08 03:30:49,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:49" (1/1) ... [2018-08-08 03:30:49,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:49" (1/1) ... [2018-08-08 03:30:49,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:49" (1/1) ... [2018-08-08 03:30:49,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:49" (1/1) ... [2018-08-08 03:30:49,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:49" (1/1) ... [2018-08-08 03:30:49,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:49" (1/1) ... [2018-08-08 03:30:49,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-08 03:30:49,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-08 03:30:49,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-08 03:30:49,362 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-08 03:30:49,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 03:30:49,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-08 03:30:49,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-08 03:30:49,427 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_lit_css_____true_unreach_call_true_termination_c_i____VERIFIER_assert [2018-08-08 03:30:49,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_lit_css_____true_unreach_call_true_termination_c_i____VERIFIER_assert [2018-08-08 03:30:49,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-08 03:30:49,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-08 03:30:49,428 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-08 03:30:49,428 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-08 03:30:49,715 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-08 03:30:49,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 03:30:49 BoogieIcfgContainer [2018-08-08 03:30:49,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-08 03:30:49,717 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-08 03:30:49,717 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-08 03:30:49,732 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-08 03:30:49,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 03:30:49" (1/3) ... [2018-08-08 03:30:49,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27fd4db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 03:30:49, skipping insertion in model container [2018-08-08 03:30:49,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:49" (2/3) ... [2018-08-08 03:30:49,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27fd4db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 03:30:49, skipping insertion in model container [2018-08-08 03:30:49,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 03:30:49" (3/3) ... [2018-08-08 03:30:49,736 INFO L112 eAbstractionObserver]: Analyzing ICFG css2003_true-unreach-call_true-termination.c.i [2018-08-08 03:30:49,760 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-08 03:30:49,776 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-08 03:30:49,841 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-08 03:30:49,842 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-08 03:30:49,843 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-08 03:30:49,843 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-08 03:30:49,843 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-08 03:30:49,843 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-08 03:30:49,843 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-08 03:30:49,843 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-08 03:30:49,843 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-08 03:30:49,862 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2018-08-08 03:30:49,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-08-08 03:30:49,872 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 03:30:49,873 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 03:30:49,875 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_lit_css_____true_unreach_call_true_termination_c_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 03:30:49,881 INFO L82 PathProgramCache]: Analyzing trace with hash -2139720349, now seen corresponding path program 1 times [2018-08-08 03:30:49,884 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 03:30:49,885 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 13 with the following transitions: [2018-08-08 03:30:49,887 INFO L202 CegarAbsIntRunner]: [0], [1], [4], [6], [15], [19], [23], [29], [36], [37], [38], [40] [2018-08-08 03:30:49,957 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 03:30:49,957 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 03:30:50,095 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 03:30:50,097 INFO L272 AbstractInterpreter]: Visited 11 different actions 11 times. Never merged. Never widened. Never found a fixpoint. Largest state had 4 variables. [2018-08-08 03:30:50,118 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 03:30:50,215 INFO L232 lantSequenceWeakener]: Weakened 2 states. On average, predicates are now at 41.67% of their original sizes. [2018-08-08 03:30:50,216 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 03:30:50,420 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 03:30:50,421 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 03:30:50,422 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-08-08 03:30:50,422 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 03:30:50,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-08-08 03:30:50,432 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-08-08 03:30:50,433 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-08-08 03:30:50,435 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 7 states. [2018-08-08 03:30:50,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 03:30:50,770 INFO L93 Difference]: Finished difference Result 45 states and 57 transitions. [2018-08-08 03:30:50,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-08-08 03:30:50,771 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2018-08-08 03:30:50,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 03:30:50,779 INFO L225 Difference]: With dead ends: 45 [2018-08-08 03:30:50,780 INFO L226 Difference]: Without dead ends: 24 [2018-08-08 03:30:50,783 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-08-08 03:30:50,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-08-08 03:30:50,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2018-08-08 03:30:50,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-08-08 03:30:50,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2018-08-08 03:30:50,821 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 12 [2018-08-08 03:30:50,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 03:30:50,822 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2018-08-08 03:30:50,822 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-08-08 03:30:50,822 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2018-08-08 03:30:50,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-08-08 03:30:50,823 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 03:30:50,824 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 03:30:50,824 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_lit_css_____true_unreach_call_true_termination_c_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 03:30:50,825 INFO L82 PathProgramCache]: Analyzing trace with hash -756670201, now seen corresponding path program 1 times [2018-08-08 03:30:50,825 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 03:30:50,825 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 20 with the following transitions: [2018-08-08 03:30:50,825 INFO L202 CegarAbsIntRunner]: [0], [1], [4], [6], [9], [11], [15], [19], [23], [29], [36], [37], [38], [40], [41] [2018-08-08 03:30:50,827 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 03:30:50,827 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 03:30:50,989 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 03:30:50,990 INFO L272 AbstractInterpreter]: Visited 14 different actions 118 times. Merged at 3 different actions 39 times. Widened at 1 different actions 9 times. Found 1 fixpoints after 1 different actions. Largest state had 4 variables. [2018-08-08 03:30:50,996 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 03:30:51,059 INFO L232 lantSequenceWeakener]: Weakened 5 states. On average, predicates are now at 66.67% of their original sizes. [2018-08-08 03:30:51,064 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 03:30:51,351 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 03:30:51,351 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 03:30:51,351 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-08-08 03:30:51,352 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 03:30:51,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-08-08 03:30:51,353 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-08-08 03:30:51,353 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-08-08 03:30:51,353 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 8 states. [2018-08-08 03:30:51,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 03:30:51,661 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2018-08-08 03:30:51,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-08-08 03:30:51,663 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2018-08-08 03:30:51,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 03:30:51,663 INFO L225 Difference]: With dead ends: 22 [2018-08-08 03:30:51,664 INFO L226 Difference]: Without dead ends: 0 [2018-08-08 03:30:51,665 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-08-08 03:30:51,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-08-08 03:30:51,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-08-08 03:30:51,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-08-08 03:30:51,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-08-08 03:30:51,666 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2018-08-08 03:30:51,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 03:30:51,667 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-08-08 03:30:51,667 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-08-08 03:30:51,667 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-08-08 03:30:51,667 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-08-08 03:30:51,672 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-08-08 03:30:52,411 WARN L170 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 25 [2018-08-08 03:30:52,762 WARN L170 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 16 [2018-08-08 03:30:52,765 INFO L425 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-08-08 03:30:52,765 INFO L422 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-08-08 03:30:52,765 INFO L422 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_lit_css_____true_unreach_call_true_termination_c_i____VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-08-08 03:30:52,765 INFO L422 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_lit_css_____true_unreach_call_true_termination_c_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-08-08 03:30:52,766 INFO L425 ceAbstractionStarter]: At program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_lit_css_____true_unreach_call_true_termination_c_i____VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-08-08 03:30:52,766 INFO L422 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-08-08 03:30:52,766 INFO L422 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-08-08 03:30:52,766 INFO L422 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-08-08 03:30:52,766 INFO L422 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-08-08 03:30:52,766 INFO L425 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-08-08 03:30:52,767 INFO L425 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-08-08 03:30:52,767 INFO L422 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-08-08 03:30:52,767 INFO L425 ceAbstractionStarter]: At program point mainENTRY(lines 10 23) the Hoare annotation is: true [2018-08-08 03:30:52,767 INFO L422 ceAbstractionStarter]: For program point mainEXIT(lines 10 23) no Hoare annotation was computed. [2018-08-08 03:30:52,768 INFO L418 ceAbstractionStarter]: At program point L20(line 20) the Hoare annotation is: (let ((.cse0 (+ main_~i~0 main_~k~0)) (.cse1 (* 2 main_~i~0))) (and (<= .cse0 2) (<= 1 .cse0) (<= .cse1 2000000) (<= (* 2 main_~j~0) 4) (<= 4 .cse1))) [2018-08-08 03:30:52,768 INFO L418 ceAbstractionStarter]: At program point L20-1(lines 16 21) the Hoare annotation is: (let ((.cse2 (* 2 main_~j~0))) (or (let ((.cse0 (+ main_~i~0 main_~k~0)) (.cse1 (* 2 main_~i~0))) (and (<= 1 .cse0) (<= .cse1 2000000) (<= .cse2 4) (<= .cse0 2) (<= 4 .cse1))) (and (<= main_~i~0 main_~j~0) (<= 2 (+ main_~i~0 main_~j~0)) (<= 1 (+ main_~j~0 main_~k~0)) (<= .cse2 2) (<= main_~k~0 main_~j~0)))) [2018-08-08 03:30:52,768 INFO L422 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2018-08-08 03:30:52,769 INFO L422 ceAbstractionStarter]: For program point L16-1(lines 16 21) no Hoare annotation was computed. [2018-08-08 03:30:52,769 INFO L422 ceAbstractionStarter]: For program point L16-3(lines 16 21) no Hoare annotation was computed. [2018-08-08 03:30:52,769 INFO L422 ceAbstractionStarter]: For program point mainFINAL(lines 10 23) no Hoare annotation was computed. [2018-08-08 03:30:52,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 03:30:52 BoogieIcfgContainer [2018-08-08 03:30:52,781 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-08-08 03:30:52,782 INFO L168 Benchmark]: Toolchain (without parser) took 3704.99 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 754.5 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -674.6 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. [2018-08-08 03:30:52,783 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-08-08 03:30:52,784 INFO L168 Benchmark]: CACSL2BoogieTranslator took 238.07 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-08-08 03:30:52,785 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.97 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-08-08 03:30:52,786 INFO L168 Benchmark]: Boogie Preprocessor took 20.91 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-08-08 03:30:52,787 INFO L168 Benchmark]: RCFGBuilder took 353.98 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 754.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -797.3 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2018-08-08 03:30:52,788 INFO L168 Benchmark]: TraceAbstraction took 3063.66 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 112.1 MB). Peak memory consumption was 112.1 MB. Max. memory is 7.1 GB. [2018-08-08 03:30:52,794 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 238.07 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 22.97 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.91 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 353.98 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 754.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -797.3 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3063.66 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 112.1 MB). Peak memory consumption was 112.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: ((((1 <= i + k && 2 * i <= 2000000) && 2 * j <= 4) && i + k <= 2) && 4 <= 2 * i) || ((((i <= j && 2 <= i + j) && 1 <= j + k) && 2 * j <= 2) && k <= j) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 20 locations, 1 error locations. SAFE Result, 2.9s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 1.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 26 SDtfs, 19 SDslu, 97 SDs, 0 SdLazy, 63 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.4s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9224137931034483 AbsIntWeakeningRatio, 0.41379310344827586 AbsIntAvgWeakeningVarsNumRemoved, 1.6896551724137931 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 9 PreInvPairs, 13 NumberOfFragments, 80 HoareAnnotationTreeSize, 9 FomulaSimplifications, 87 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 233 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/css2003_true-unreach-call_true-termination.c.i_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-08-08_03-30-52-811.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/css2003_true-unreach-call_true-termination.c.i_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-08-08_03-30-52-811.csv Received shutdown request...